The chances of getting pregnant once a month without ovulation are not great, and the chances of getting pregnant with ovulation are greater. The chances of getting pregnant once a month depends on whether the ovaries are ovulating, whether the fallopian tubes are open, and whether the male sperm quality is normal. Once a month, if the ovaries are not ovulating, the chances of getting pregnant are not great. Once a month, if the ovaries have mature follicles at the time of coitus, the fallopian tubes are open, the endometrial lining of the uterus is in good condition, the quality of the male sperm is normal, and both men and women have the ability to procreate, then the chances of women getting pregnant are relatively high. After intercourse, if the woman observes that there is a pause in menstruation, she can go to the hospital and take a pregnancy test through blood HCG, urine pregnancy test and ultrasound to find out whether she is pregnant or not.